Galls and Galling Arthropods of Southern Brazil

MendonçaJr., Milton de Souza; Toma, Tiago Shizen Pacheco; Silva, Juliana Schmidt da

doi:10.1007/978-94-017-8783-3_14

Cited by 6 publications

(5 citation statements)

References 36 publications

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“…These morphotypes are similar to the three gall morphotypes in M. glomerata , but there is no published identification work on these species to confirm they are the same as those described by Gagné et al (2001). During our samples, five gall morphotypes were found on M. laevigata that are similar to the ones described on M. glomerata and to the ones recorded by Mendonça et al (2014). In the laboratory, after a careful morphological analysis of the adults and pupae of the insects obtained from these galls based on the characters used by Gagné et al (2001), we concluded that the gall species found on M. laevigata are the same as the ones described for M. glomerata , therefore being oligophagous gallers.…”

Section: Methodssupporting

confidence: 90%

“…The literature reveals galls in at least 10 Mikania species (Supporting Information S1), with all gallers belonging to the Cecidomyiidae family (Coelho et al, 2013; Diaz et al, 2015; Maia et al, 2008; Maia et al 2014a; Maia, Carvalho‐Fernandes, et al, 2014; Mendonça et al, 2014). Gagné et al (2001) described eight species of insect galls in M. glomerata ; thus, this plant is considered a super‐host.…”

Section: Methodsmentioning

confidence: 99%

“…Even species that belong to the same genus present significant morphological differences in their galls, like those induced by Asphondylia glomeratae (green midvein gall, Figure 1c) and Asphondylia moehni (brown stem gall, Figure 1e). For M. laevigata , there are records of three gall morphotypes: two on leaves and one on stems (Mendonça et al, 2014). These morphotypes are similar to the three gall morphotypes in M. glomerata , but there is no published identification work on these species to confirm they are the same as those described by Gagné et al (2001).…”

Section: Methodsmentioning

confidence: 99%

“…Galls are a specific growth response from plant tissues induced by a range of organisms, many of which are insects (Mani, 1964;Stone & Schönrogge, 2003). They serve insects as a source of food (through nutritive tissue), shelter from the weather and protection from natural enemies such as predators and parasitoids (Price et al, 1987).…”

Section: Introductionmentioning

confidence: 99%

“…They serve insects as a source of food (through nutritive tissue), shelter from the weather and protection from natural enemies such as predators and parasitoids (Price et al, 1987). Because they represent an extended phenotype of the insect galler, functional gall characteristics (Mendonça et al, 2014) may affect galler performance and their relationships with natural enemies. One example is the reduced parasitoidism of gallers (their most common natural enemies, Toma & Mendonça, 2014), through structural factors such as gall shape and size, the microenvironment they occupy (galled host plant organ) and their distribution in time and space.…”

Section: Introductionmentioning

confidence: 99%

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What shapes galling insect–parasitoid interaction networks on closely related host plants?

Prauchner,

de Souza Mendonça

2023

Ecological Entomology

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Ecological networks describe community structure by focusing on how nodes are connected by links (interactions). Related species have higher probabilities of sharing links if interactions depending on phylogeny and/or species are functionally similar; however, if and how this modularity impacts higher trophic levels is still an open question. We aimed to evaluate the effect of different structuring factors on an observed bipartite network of galling insects and associated parasitoids on a system with two closely related and recently diverged plants, where host‐tracking could be underway. We hypothesized that gall structure, galler taxonomy and host plant identity could contribute, from a higher to a lower degree respectively, to network modularity by generating a selective pressure on parasitoids. Samples were collected between May 2015 and June 2017 in the forest areas of Porto Alegre, southern Brazil. Overall, we found 4629 galls of three monophagous and four oligophagous galling species; 664 parasitoid individuals were obtained and classified into 37 morphospecies. We constructed four networks with the collected data by organising nodes according to the tested factors, that is, gall structure, galler taxonomy, host plant identity and gall–plant interaction. All networks were significantly modular, and for three out of four analysed factors (gall structure, galler taxonomy and gall–plant interaction), modularity levels were at least intermediate (at about Q = 0.4). Barriers to or preferences for certain interactions appear to be responses to multiple concomitant factors. However, galler taxonomy and host plant identity are somehow stronger determinants for the parasitoids in terms of attacked hosts.

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Section: Methodssupporting

confidence: 90%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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What shapes galling insect–parasitoid interaction networks on closely related host plants?

Prauchner,

de Souza Mendonça

2023

Ecological Entomology

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Sampling Galls and Galling Arthropods

Araújo

Urso-Guimarães

MendonçaJr.

et al. 2020

Measuring Arthropod Biodiversity

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Anatomical and phenological implications of the relationship between Schinus polygama (Cav.) (Cabrera) and the galling insect Calophya rubra (Blanchard)

et al. 2018

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The success of galling insects could be determined by synchronisation with host plant phenology and climate conditions, ensuring suitable oviposition sites for gall induction and food resources for their survival. The anatomical, histochemical and phenological synchronisation strategies between Calophya rubra (Blanchard) (Hemiptera: Psylloidea) and its host, the evergreen plant Schinus polygama (Cav.) (Cabrera) (Anacardiaceae), in the Mediterranean climate of southern Chile was evaluated and compared to that of the congeneric C. cf. duvauae (Scott) from Brazil and closely related host plant S. engleri in a subtropical climate. Anatomical, histometric, histochemical and vegetative phenology studies of the stem and galls were conducted from June 2015 to December 2016. Based on the anatomical, histometric and histochemical analysis, the conical stem gall traits imply gains over the non-galled stem toward the galling insect survival, but the maintenance of phellem, secretory ducts and pith indicate conservative developmental traits that cannot be manipulated by C. rubra. Our results indicate that the conditions of the Mediterranean climate zone limit C. rubra immature activity during unfavourable periods, probably determining a diapause period and a univoltine life cycle, which are peculiarities of the S. polygama- C. rubra system. The synchronisation between development and seasonality confers peculiarities to the S. polygama- C. rubra system in the Mediterranean climate zone.

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Galls and Galling Arthropods of Southern Brazil

Cited by 6 publications

References 36 publications

What shapes galling insect–parasitoid interaction networks on closely related host plants?

What shapes galling insect–parasitoid interaction networks on closely related host plants?

Sampling Galls and Galling Arthropods

Anatomical and phenological implications of the relationship between Schinus polygama (Cav.) (Cabrera) and the galling insect Calophya rubra (Blanchard)

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